:root {
  --bg-color: #222;
  --text-color: #bdbdbd;
  --heading-color: #fff;
  --link-color: #5fa0ff;
  --link-color-visited: #5fa0ff;

  --inline-code-border-color: rgba(255, 255, 255, 0.05);
  --inline-code-background: rgba(255, 255, 255, 0.02);

  --code-border-color: rgba(255, 255, 255, 0.1);
  --code-background: rgba(255, 255, 255, 0.02);

  --card-border-color: var(--code-border-color);
  --card-background: var(--code-background);

  --content-width: 680px;

  --layout-width: 1100px;
  --layout-padding: 2rem;
}

@media (max-width: 1160px) {
  div.article {
    flex-direction: column;
  }

  .backlinks {
    gap: 1.5rem !important;
    max-width: var(--content-width);
    width: 100%;
  }

  .backlinks > h3 {
    opacity: 1 !important;
  }

  .backlink {
    opacity: 1 !important;
  }

  :root {
    --layout-padding: 1rem 1.5rem 1rem 1rem;
  }
}

@media (prefers-color-scheme: light) {
  :root {
    --bg-color: #fff;
    --text-color: #000;
    --heading-color: #000;
    --link-color: #00e;
    --link-color-visited: #551a8b;

    --code-border-color: #fff;
    --code-background: #2b303b;
  }
}

html, body {
  tab-size: 4;
  font-family:
    ui-sans-serif,
    system-ui,
    sans-serif,
    "Apple Color Emoji",
    "Segoe UI Emoji",
    Segoe UI Symbol,
    "Noto Color Emoji";
  font-feature-settings: normal;
  font-variation-settings: normal;

  background: var(--bg-color);
  color: var(--text-color);
}

a {
  color: var(--link-color);
}

a:visited {
  color: var(--link-color-visited);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--heading-color);
  line-height: 1.6;
}

body {
  margin: 0;
  line-height: 1.8rem;
  font-size: 1rem;
  padding: var(--layout-padding);
}

.layout {
  max-width: var(--layout-width);
  margin: 0 auto;
  width: 100%;
}

.tags {
  display: flex;
  gap: 6px;
}

hr {
  margin: 2rem;
  height: 2px;
  border: none;
  background: rgba(0, 0, 0, 0.1);
}

code > pre {
  padding: 8px;
  background: var(--code-background) !important;
  border: solid 1px var(--code-border-color);

  overflow-y: auto;
}

code:not(:has(pre)) {
  padding: 2px;
  border: solid 1px var(--inline-code-border-color);
  background: var(--inline-code-background);
}

h2,
h3,
h4,
h5 {
  margin-top: 2.5rem;
  margin-bottom: 1.5rem;
}

.bio {
  max-width: calc(var(--content-width) - 4rem);
  margin: auto;
  margin-top: 2.5rem;
  margin-bottom: 2.5rem;
  text-align: center;
}

.copy {
  font-size: 0.9rem;
  display: flex;
  justify-content: center;
  margin-top: 3rem;
  margin-bottom: 8rem;
}

.copy img {
  width: 1rem;
  height: 1rem;
}

.copy a {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.footnote-definition {
  display: flex;
  gap: 1rem;
  margin: 1rem;
}

.footnote-definition > p {
  margin: 0;
}

.footnote {
  display: flex;
  gap: 1rem;
  margin: 1.5rem 0;
}

.footnote-body > * {
  display: inline;
}

li {
  margin: 1rem 0;
}

ul.recent {
}

a.card {
  display: inline-block;
  vertical-align: text-top;
}

span.card_date {
  display: inline-block;
  opacity: 0.7;
  font-size: 0.9rem;
  margin-left: 0.5rem;
}

div.article {
  display: flex;
  flex-grow: 1;
  gap: 2rem;
}

div.content {
  flex-shrink: 0;
  max-width: var(--content-width);
  width: 100%;
}

.backlinks:hover > h3 {
  opacity: 1;
}

.backlink:hover {
  opacity: 1;
}

.backlinks > h3 {
  opacity: 0.4;
  margin-bottom: 0.5rem;
  transition: opacity 0.4s;
}

.backlink {
  box-sizing: border-box;
  opacity: 0.4;
  transition: opacity 0.4s;
}

.backlinks {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}


.borderless {
  border: none;
}

.backlink,
.backlink:visited {
  border: solid 1px var(--card-border-color);
  color: var(--text-color);
  background: var(--card-background);
}

.backlink div {
  font-size: 0.8rem;
  /* max-height: 4rem; */
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  width: 100%;
  whitespace: no-wrap;
  text-overflow: ellipsis ellipsis;
}

.backlink h4:first-child {
  margin-top: 0;
  margin-bottom: 0.25rem;
}

.backlink {
  display: flex;
  flex-direction: column;
  padding: 0.5rem 0.75rem;
  text-decoration: none;
  width: 100%;
  max-width: 100%;
}

.backlink > h4 {
}

footer.article {
  max-width: var(--content-width);
  width: 100%;
}

.home-link,
.home-link:visited {
  text-decoration: none;
  color: var(--text-color);
}

.subtle-heading {
  color: var(--text-color);
  font-weight: normal;
}

.content p > img {
  max-width: 100%;
  width: 100%;
  border: solid 1px var(--code-border-color);
}

blockquote {
  padding: 0;
  margin: 0;

  padding-left: 1rem;
  font-size: 1.05rem;

  border: solid 1px var(--code-border-color);
  border-left-width: 8px;

  background: var(--inline-code-background);
}